Marissa Ferrer resumes & CV records
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Marissa B Ferrer721 Matoza Ln, San Leandro, CA 94577
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721 Matoza Ln, San Leandro, CA 94577
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Us Patents
Gear Oil Compositions, Methods Of Making And Using Thereof
US Patent:
2009029, Dec 3, 2009
Filed:
May 29, 2008
Appl. No.:
12/128801
Inventors:
Katty S. Hoste - Oudenaarde, BE
Yves A. Peremans - Oostende, BE
Ravindra R. Shah - Concord CA, US
Marissa B. Ferrer - San Leandro CA, US
Yves A. Peremans - Oostende, BE
Ravindra R. Shah - Concord CA, US
Marissa B. Ferrer - San Leandro CA, US
International Classification:
C10M 107/02
US Classification:
508591
Abstract:
A gear oil composition is provided. The composition comprises a sufficient amount of an isomerized base oil in a base oil matrix comprising at least at least a polyalphaolefin for the gear oil composition to have for the gear oil composition to have an average volume change in a rubber seal between −10 and +10, a change in shore A hardness between −7 and +10 when tested with SRE NBR28 at 100 C., 168 hours per DIN53521 and DIN53505, a viscosity increase of less than 3% per US Steel S-200 oxidation stability test, a precipitation of less than 1% per US Steel S-200 oxidation stability test, and a Timken OK Load of greater than 60 lb. The isomerized base oil has consecutive numbers of carbon atoms and less than 10 wt % naphthenic carbon by n-d-M. In one embodiment, the sufficient amount of isomerized base oil ranges from 20 to 75 wt. % based on the total weight of the gear oil composition.
Gear Oil Compositions, Methods Of Making And Using Thereof
US Patent:
2009006, Mar 5, 2009
Filed:
Jun 4, 2008
Appl. No.:
12/132807
Inventors:
Michael J. Haire - Petaluma CA, US
Ravindra Shah - Concord CA, US
Allan G. Hee - Albany CA, US
Marissa B. Ferrer - San Leandro CA, US
Ravindra Shah - Concord CA, US
Allan G. Hee - Albany CA, US
Marissa B. Ferrer - San Leandro CA, US
International Classification:
C10M 169/04
US Classification:
508110
Abstract:
A gear oil composition is provided. The composition comprises an isomerized base oil having consecutive numbers of carbon atoms, less than 0.05 wt. % aromatics, a viscosity index between 150 and 170, Oxidator BN of 15 to 50 hours; and 0.001 to 30 wt % at least an additive selected from traction reducers, dispersants, viscosity modifiers, pour point depressants, antifoaming agents, antioxidants, rust inhibitors, metal passivators, extreme pressure agents, friction modifiers, and mixtures thereof. In one embodiment, composition displays a pressure viscosity coefficient of greater than 9.5 GPaat 140 C. and a Timken OK load per D2782 (E2006) of at least 50 lbs.
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